132220388 has 12 divisors (see below), whose sum is σ = 237639612. Its totient is φ = 64323360.

The previous prime is 132220343. The next prime is 132220391. The reversal of 132220388 is 883022231.

It can be written as a sum of positive squares in 2 ways, for example, as 119202724 + 13017664 = 10918^2 + 3608^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 132220388.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 446543 + ... + 446838.

It is an arithmetic number, because the mean of its divisors is an integer number (19803301).

Almost surely, 2^132220388 is an apocalyptic number.

It is an amenable number.

132220388 is a deficient number, since it is larger than the sum of its proper divisors (105419224).

132220388 is a wasteful number, since it uses less digits than its factorization.

132220388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 893422 (or 893420 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 29.

The square root of 132220388 is about 11498.7124496615. The cubic root of 132220388 is about 509.4475473621.

The spelling of 132220388 in words is "one hundred thirty-two million, two hundred twenty thousand, three hundred eighty-eight".